Flight Controls

Question 1

Where is the switch located to manually operate the stabilator or to reset the stabilator to the automatic mode from the manual?

Answer 1

Collective Flight control grip in each crew station

Question 2

The stabilator position can be determined in the automatic mode by referring to what page on the MPD?

Answer 2

The ENG SYS page

Question 3

The stabilator icon in the manual mode is displayed on what MPD page?

Answer 3

Man mode displayed on the FLT page

Question 4

What symbol is placed above the stabilator icon on the FLT page if the MP and FMC cannot determine the position of the stabilator?

Answer 4

A question mark: (?)

Question 5

What component allows the crewmember to manually adjust the collective friction?

Answer 5

The mechanical friction adjust

Question 6

What are the five positions of the force trim switch located on the cyclic in each crew station?

Answer 6

Release (R), Attitude Mode (AT), Altitude Mode (AL), hold modes Disengage (D), and Center

Question 7

The force trim may be selected on or off using what MPD page?

Answer 7

A/C UTIL

Question 8

What component monitors the ARDD through the RVDT?

Answer 8

FMC

Question 9

The FMC performs the monitoring and fault detection/fault isolation for what two systems?

Answer 9

Electronic flight controls and Stabilator

Question 10

What is attitude hold designed to accomplish?

Answer 10

Maintain helicopter in a constant attitude

Question 11

How do you recenter the SAS from the crew station?

Answer 11

Press and hold the force trim in the “R” position for 3 seconds

Question 12

What are the 3 functions of the SCAS?

Answer 12

Stability augmentation, Command augmentation, and Hold

Question 13

The BUCS is an emergency fly-by-wire backup control system that permits continued flight in the event of what two causes?

Answer 13

Jam or severance

Question 14

What component provides the means to physically disconnect a flight control from its associated linkage?

Answer 14

Automatic Roller Detent Decoupler (ARDD)

Question 15

What is the purpose of the LVDT?

Answer 15

Translate control motion into electrical signal

Question 16

What three hydraulics have an impact on the hydraulic servos?

Answer 16

Primary, Utility, and Utility Accumulator

Question 17

Failure of the primary hydraulic system will have what effect on the flight controls system?

Answer 17

Loss of FMC inputs SCAS( SAS, CAS, and BUCS)

Question 18

What component implements PBIT, IBIT, and CBIT for the flight controls?

Answer 18

FMC

Question 19

What two types of IBIT can be run on the flight controls?

Answer 19

Preflight and maintenance

Question 20

What are the five BUCS FAIL cautions associated with the flight controls?

Answer 20

BUCS FAIL, BUCS FAIL P, BUCS FAIL R, BUCS FAIL Y, and BUCS FAIL C

Think PRYC (pronounced “prick”)

Question 21

What is the difference between a flight control advisory audio for hold mode and hold mode failure?

Answer 21

None